September weather forecastValverde de Leganés, Spain
September
Weather in September
September, the first month of the autumn in Valverde de Leganés, is still a tropical month, with an average temperature ranging between max 30.2°C (86.4°F) and min 16.9°C (62.4°F).Temperature
As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from a hot 34.8°C (94.6°F) to a still tropical 30.2°C (86.4°F). Nighttime temperatures throughout September register a significant deviation from the day's highs, averaging at a comfortable 16.9°C (62.4°F).Heat index
For September, the heat index is evaluated at a hot 31°C (87.8°F). With constant exposure and activity, a state of weariness might ensue, leading to potential heat cramps.The standards for the heat index are set for locations in shade and under light breezes. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'felt air temperature' or 'feels like', blends air temperature and moisture content to represent the felt temperature to humans. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
Humidity
In Valverde de Leganés, the average relative humidity in September is 45%.Rainfall
In Valverde de Leganés, during September, the rain falls for 4.8 days and regularly aggregates up to 9mm (0.35") of precipitation. Throughout the year, there are 91.3 rainfall days, and 245mm (9.65") of precipitation is accumulated.Daylight
In Valverde de Leganés, the average length of the day in September is 12h and 26min.On the first day of September in Valverde de Leganés, sunrise is at 07:57 and sunset at 20:57. On the last day of the month, sunrise is at 08:23 and sunset at 20:12 CEST.
Sunshine
The average sunshine in September in Valverde de Leganés is 9.5h.UV index
In Valverde de Leganés, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 6 during September leads to these advisories:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Valverde de Leganés, Spain
- Average high temperature in September: 30.2°C
The warmest month (with the highest average high temperature) is August (34.8°C).
The month with the lowest average high temperature is January (13°C).
- Average low temperature in September: 16.9°C
The month with the highest average low temperature is August (18.5°C).
The coldest month (with the lowest average low temperature) is January (4.4°C).
Average pressure in September
Valverde de Leganés, Spain
- Average pressure in September: 1016.2mbar
The month with the highest atmospheric pressure is December (1023.1mbar).
The months with the lowest atmospheric pressure are July and August (1015.1mbar).
Average wind speed in September
Valverde de Leganés, Spain
- Average wind speed in September: 8.7km/h
The windiest months (with the highest average wind speed) are February and March (12.1km/h).
The calmest month (with the lowest average wind speed) is September (8.7km/h).
Average humidity in September
Valverde de Leganés, Spain
- Average humidity in September: 45%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (39%).
Average rainfall in September
Valverde de Leganés, Spain
- Average rainfall in September: 9mm
The wettest month (with the highest rainfall) is November (38mm).
The driest months (with the least rainfall) are July and August (3mm).
Average rainfall days in September
Valverde de Leganés, Spain
- Average rainfall days in September: 4.8 days
The month with the highest number of rainy days is April (13.1 days).
The month with the least rainy days is August (1.6 days).
Average daylight in September /
Average sunshine in September
Valverde de Leganés, Spain
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 9h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 7h and 18min).
Average sunshine days in September
Valverde de Leganés, Spain
- Average sunshine days in September: 23.5 days
The month with the most sunshine days is August (28.5 days).
The month with the least sunshine days is April (15.7 days).
Average UV index in September
Valverde de Leganés, Spain
- Average UV index in September: 6
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 3).
Average cloud cover in September
Valverde de Leganés, Spain
- Average cloud cover in September: 15
The month with the most cloud cover is January (Cloud cover 39).
The months with the least cloud cover are July and August (Cloud cover 7).
Average visibility in September
Valverde de Leganés, Spain
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, November and December (9km).
